Aaa please help - What score do you have to get on a 40 point test to receive a 90% ?
1 answer:
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Solution :
Given that the area model that represents a quotient of 108 ÷ 9.
So, we multiply 9 by multiples of to
10 20 30 40
90 180 270 360
Because 108 is between 90 and 180, the quotient lies between 10 and 20.
Using 10 as the first partial quotient in the area model for 108 ÷ 9,
9 x 10 = 90 , so 108 - 90 = 18
Now, 9 x 2 = 18, so 18 - 18 = 0
∴ 10 + 2 = 12
Therefore, the quotient of 108 ÷ 9 is 12.